12008005770 has 16 divisors (see below), whose sum is σ = 28819213920. Its totient is φ = 3202134864.

The previous prime is 12008005729. The next prime is 12008005781. The reversal of 12008005770 is 7750080021.

It is a happy number.

12008005770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 400266859 = 12008005770 / (1 + 2 + 0 + 0 + 8 + 0 + 0 + 5 + 7 + 7 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200133400 + ... + 200133459.

It is an arithmetic number, because the mean of its divisors is an integer number (1801200870).

Almost surely, 2^12008005770 is an apocalyptic number.

12008005770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12008005770 is an abundant number, since it is smaller than the sum of its proper divisors (16811208150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12008005770 is a wasteful number, since it uses less digits than its factorization.

12008005770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400266869.

The product of its (nonzero) digits is 3920, while the sum is 30.

Adding to 12008005770 its reverse (7750080021), we get a palindrome (19758085791).

The spelling of 12008005770 in words is "twelve billion, eight million, five thousand, seven hundred seventy".